3-(4-bromophenyl)prop-2-ynal

4-(4-oxo-6-phenyl-4H-selenopyran-2-yl)phenylphosphonic acid

diethyl [4-(4-oxo-6-phenyl-4H-selenopyran-2yl)phenyl]phosphonate

1-(4-bromophenyl)-5-phenylpenta-1,4-diyn-3-one

4-((2-(4-(diethoxyphosphoryl)phenyl)-6-phenyl-4H-selenopyran-4-ylidene)methyl)-2,6-diphenylthiopyrylium hexafluorophosphate

diethyl [4-(4-oxo-6-phenyl-4H-thiopyran-2-yl)phenyl]phosphonate

4-((2-(4-(diethoxyphosphoryl)phenyl)-6-phenyl-4H-thiopyran-4-ylidene)methyl)-2,6-diphenylselenopyrylium hexafluorophosphate

2-(4-bromophenyl)-6-phenyl-4H-selenopyran-4-one

2,6-diphenyl-4-((2-phenyl-6-(4-phosphonophenyl)-4H-selenopyran-4-ylidene)methyl)thiopyrylium hexafluorophosphate

4-((2-(4-(diethoxyphosphoryl)phenyl)-6-phenyl-4H-thiopyran-4-ylidene)methyl)-2,6-diphenyltelluropyrylium hexafluorophosphate

1-(2-(4-(4-bromophenyl)-2-hydroxybut-3-ynyl)-1-methyl-1H-indol-3-yl)-2-methylpropan-1-one